Mass per volume density.
Ounce per Cubic inches to Long tons per Cup Converter — oz/in3 to long ton/cup
Convert Ounce per Cubic inch (oz/in3) to Long ton per Cup (long ton/cup) using the exact conversion factor (1 ounce per cubic inch = 0.000402832 long ton per cup). See the formula, worked examples, and conversion table.
Ounce per Cubic inches to Long tons per Cup converter
Converter
Density Converter
Convert thousands of mass-per-volume density combinations for science, engineering, agriculture, and fluids.
Context values
Some unit families need one extra value for a physically accurate result.
Mass per volume density.
Result = input x 1729.994044 / 4.29457916e+6.
Density uses kilograms per cubic meter as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Ounce per Cubic inches to Long tons per Cup
Ounce per Cubic inch and Long ton per Cup both measure density — mass per unit volume — a property used to identify materials, check manufacturing quality, and predict whether something floats or sinks. As a fixed reference point, water has a density of exactly 1000 kg/m³ (1 g/cm³, 1 g/mL) at its temperature of maximum density, which is why many density figures in science and engineering are quoted relative to water. Both are mass per volume density units.
Formula
long tons per cup = ounce per cubic inches × 0.00040283203125
This factor comes from each unit's defined relationship to the category's base unit: 1 ounce per cubic inch equals 1729.99404439 base units, and 1 long ton per cup equals 4294579.15504 base units, so dividing one by the other gives the direct ounce per cubic inch-to-long ton per cup factor of 0.00040283203125.
Simple example
1 oz/in3 × 0.0004028320313 = 0.000402832 long ton/cup
1 ounce per cubic inch = 0.000402832 long tons per cup.
Real-world example
1,000 oz/in3 × 0.0004028320313 = 0.4028320313 long ton/cup
1,000 ounce per cubic inches = 0.4028320313 long tons per cup.
Conversion table
| Ounce per Cubic inch (oz/in3) | Long ton per Cup (long ton/cup) |
|---|---|
| 0.1 oz/in3 | 0.0000402832 long ton/cup |
| 1 oz/in3 | 0.000402832 long ton/cup |
| 10 oz/in3 | 0.0040283203 long ton/cup |
| 100 oz/in3 | 0.0402832031 long ton/cup |
| 1,000 oz/in3 | 0.4028320313 long ton/cup |
| 10,000 oz/in3 | 4.028320313 long ton/cup |
Reverse conversion: Long ton per Cup to Ounce per Cubic inch
0.000402832 long ton/cup × 2482.424242 = 0.9999999224 oz/in3
0.000402832 long tons per cup = 0.9999999224 ounce per cubic inches.
ounce per cubic inches = long tons per cup × 2482.42424242
For a page dedicated to this direction, see Long ton per Cup to Ounce per Cubic inch.
Understanding the Ounce per Cubic inch (oz/in3)
Mass per volume density.
Understanding the Long ton per Cup (long ton/cup)
Mass per volume density.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many long tons per cup are in 1 ounce per cubic inch?
1 ounce per cubic inch equals 0.000402832 long tons per cup, using the exact defined conversion factor rather than an estimate.
How do I convert ounce per cubic inch to long ton per cup?
Multiply the ounce per cubic inch value by 0.0004028320313. The converter above does this instantly to whatever precision you set.
How do I convert long ton per cup back to ounce per cubic inch?
Use the reverse factor: 1 long ton per cup equals 2,482.424242 ounce per cubic inches. You can also use the swap control in the converter above to flip the direction instantly.
What is a ounce per cubic inch?
Ounce per Cubic inch (oz/in3) is a unit of density.
What is a long ton per cup?
Long ton per Cup (long ton/cup) is a unit of density.
Is the ounce per cubic inch to long ton per cup conversion exact?
Yes. Both ounce per cubic inch and long ton per cup are defined by fixed standards rather than physical artifacts, so the factor of 0.0004028320313 used above is exact to as many digits as you choose to display.
What's the difference between density and mass concentration?
Density is the mass of a pure substance or material per unit volume. Mass concentration is the mass of one component — like a dissolved solute — within a mixture's total volume. The two use the same kind of units but describe different physical situations.